Home / 16,930.36-25,399.61-5,243.58

Finding the Fourth Proportional to 16,930.36, 25,399.61 and 5,243.58

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Solution

The fourth proportional to 16,930.36, 25,399.61 and 5,243.58 is: 7,866.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.36 : 25,399.61 = 5,243.58 : x
  2. Step 2: Convert to fraction form
    16,930.36/25,399.61 = 5,243.58/x
  3. Step 3: Cross multiply
    16,930.36x = 25,399.61 × 5,243.58
  4. Step 4: Simplify right side
    16,930.36x = 133,184,880.45
  5. Step 5: Solve for x
    x = 133,184,880.45/16,930.36
  6. Step 6: Final answer
    x = 7,866.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.